# Question #2c690

Feb 7, 2018

$x = - 9$

#### Explanation:

Let $x =$ the unknown number:

$8 x - 10 = - 82$

Move 10 to the right side by adding it to both sides:

$8 x = - 82 + 10$

$8 x = - 72$

Divide both sides by $8$:

$x = - 9$